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O'Donnell, James P. – Child Develop, 1969
Research based upon a Ph.D. dissertation submitted to the Graduate School, University of Pittsburgh, and supported in part by U.S. Public Health Service grant MH-1290 and by the New York State Research Foundation.
Descriptors: Attention, Discrimination Learning, Instruction, Intelligence
Spence, Janet Taylor – Child Develop, 1970
Descriptors: Discrimination Learning, Failure, Grade 2, Grade 3
Ahammer, Inge M.; Goulet, L. R. – Child Develop, 1969
Based on an MA thesis (Ahammer) submitted to West Virginia University.
Descriptors: Age Differences, Concept Formation, Discrimination Learning, Reinforcement